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Reorganization and Business Transformation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Asset write-downs	$ 0	$ 80
Marketing Applications
Restructuring Cost and Reserve [Line Items]
Employee severance and other employee related cost	2	9
Asset write-downs	6	80
Professional services, legal and other transformation costs	10	8
Total reorganization and business transformation cost	$ 18	97
Other Restructuring | Marketing Applications
Restructuring Cost and Reserve [Line Items]
Total reorganization and business transformation cost		8
Employee Severance | Marketing Applications
Restructuring Cost and Reserve [Line Items]
Payments for restructuring		$ 11

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